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In the Fires of Hell.....
Join Date: Oct 2007
Location: Phoenix, AZ
Posts: 3,762
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1) You can swap the pistons directly IF they are the same tolerance grouping as the originals (0, 1 or 2). Keep in mind that you may want the DME computer or chip from the 160HP DME to match the change.
2) If both engines have the auto-tensioner then they can swap. If not, then no they cannot. There are differences in the block casting and timing belt covers between the auto-tensioner and non-auto engines.
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PCA Instructor: '88 951S - with LBE, Guru chips, 3Bar FPR, 1.3mm shimmed WG, 3120 lbs, 256 RWHP, 15 psig boost
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